What happens when I...
Sounding much like a circular saw – to your partner at least – teeth grinding, or bruxism, generates up to six times the force of normal chewing on your teeth. That’s because it’s not under the control of the conscious brain, which might otherwise prevent or moderate it. Plus, when you eat, chewing force is applied in part to the food, and not directly to your teeth.
It affects over 6 million in the UK, and is more common during sleep. So, if your partner hasn’t told you, you may only be aware you’re doing it when you wake up with sore jaw muscles